Funding for this research was provided by:
Ministry of Health, Labour and Welfare (H30-Shokuhin-Shitei-005)
Article History
Received: 26 October 2020
Accepted: 17 November 2020
First Online: 23 November 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Kyushu University Graduate School of Medical Sciences. The requirement for written informed consent was waived because patient records and other patient information were anonymized and de-identified prior to analysis. The current study was exempted from human subject review from the Ethics Committee of Kyushu University Graduate School of Medical Sciences.
: The requirement for consent for publication was waived because patient records and other patient information were anonymized and de-identified.
: The authors declare that they have no competing interests.